Juneau, Alaska Climate
United States
Pop. 31,555 Elev. 9 m / 30 ft
TZ: America/Juneau (UTC-8) ·
Winters in Juneau are severe, with temperatures dropping to 10°F (-12°C) in December, while summers bring cool highs of 64°F (18°C) in August. Wind chill can push winter lows to 0°F (-18°C). Expect around 114 rainy days annually (80.9 in / 2054 mm total), with snow on 69 days and 383 in (9725 mm) of annual accumulation. The city averages 47 sunny days per year and around 48 thunderstorm days. Ocean water temperatures reach 54°F (12°C) in summer.
| Temperature | 64°F (18°C) high | 10°F (-12°C) low |
| Feels like | 0°F (-18°C) low | |
| Rain | 114 days | 80.9 in (2054 mm) /yr |
| Snow | 69 days | 382.9 in (9725 mm) /yr |
| Sky | 47 sunny | 48 stormy |
| Wind | 3.1 mph (1.4 m/s) avg |
Looking for a place with a climate like Juneau? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Jul, Aug
Sky & Air by Month
Cloud cover (%)
87
Jan 58
Feb 73
Mar 86
Apr 91
May 81
Jun 81
Jul 66
Aug 82
Sep 85
Oct 87
Nov 69
Dec Humidity (%)
84
Jan 71
Feb 76
Mar 80
Apr 84
May 83
Jun 83
Jul 83
Aug 83
Sep 86
Oct 84
Nov 67
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 7 mi Juneau International Airport (JNU)
Ski resort 4 mi Eaglecrest Ski Area
National park 68 mi Atlin/Téix’gi Aan Tlein Provincial Park
Mountain peak
(4,935 ft) 5 mi Observation Peak
Hospital 2 mi Bartlett Regional Hospital
Hiking trail 91 mi Indian River Trail
Interested in Juneau?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 33°F 1°C | 27°F -3°C | 4.2 in 106 mm | 87.2 in2215 mm | 2 |
| February | 29°F -2°C | 20°F -7°C | 1.7 in 42 mm | 35.5 in902 mm | 11 |
| March | 38°F 3°C | 29°F -1°C | 0.9 in 24 mm | 53.7 in1364 mm | 6 |
| April | 41°F 5°C | 34°F 1°C | 6.2 in 158 mm | 34.9 in887 mm | 1 |
| May | 44°F 6°C | 36°F 2°C | 9.7 in 246 mm | 15.0 in382 mm | 1 |
| June | 56°F 13°C | 45°F 7°C | 6.8 in 173 mm | — | 2 |
| July | 62°F 17°C | 51°F 11°C | 5.7 in 145 mm | — | 2 |
| August | 64°F 18°C | 51°F 11°C | 7.9 in 201 mm | — | 8 |
| September | 57°F 14°C | 47°F 8°C | 16.7 in 423 mm | — | 4 |
| October | 46°F 8°C | 38°F 3°C | 13.3 in 338 mm | 7.3 in184 mm | 2 |
| November | 36°F 2°C | 29°F -2°C | 3.4 in 87 mm | 76.3 in1939 mm | 0 |
| December | 17°F -8°C | 10°F -12°C | 4.4 in 111 mm | 72.9 in1852 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 2 | 4 |
| February | 11 | 0 |
| March | 6 | 1 |
| April | 1 | 4 |
| May | 1 | 4 |
| June | 2 | 0 |
| July | 2 | 3 |
| August | 8 | 4 |
| September | 4 | 14 |
| October | 2 | 4 |
| November | 0 | 7 |
| December | 8 | 3 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 36°F 2°C | 32°F 0°C |
| February | 35°F 1°C | 32°F 0°C |
| March | 35°F 2°C | 32°F 0°C |
| April | 38°F 3°C | 33°F 0°C |
| May | 43°F 6°C | 36°F 2°C |
| June | 49°F 9°C | 39°F 4°C |
| July | 54°F 12°C | 45°F 7°C |
| August | 54°F 12°C | 52°F 11°C |
| September | 53°F 12°C | 53°F 11°C |
| October | 45°F 7°C | 48°F 9°C |
| November | 41°F 5°C | 42°F 5°C |
| December | 38°F 4°C | 35°F 1°C |